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Perennial sea-purslane, Shoreline seapurslane
Sesuvium portulacastrum
Aizoaceae


General Landscape Uses:

Groundcover in open, coastal areas.
Availability:
Native plant nurseries.
Description:
Small prostrate herb.
Dimensions:
About 3-8 inches in height. Spreading and forming large patches much broader than tal.
Growth Rate:
Moderate to fast.
Range:
Southeastern United States west to Texas and south to the Monroe County Keys; West Indies, Mexico, Central America, South America and Old World.
Habitats:
Beach dunes and brackish coastal areas.
Soils:
Wet to moist, periodically inundated brackish or saline soils, with or without organic or humusy top layer.
Nutritional Requirements:
Low; it grows in nutrient poor soils.
Salt Water Tolerance:
High; tolerates flooding by salt water.
Salt Wind Tolerance:
Pioneer; grows in unconsolidated substrate in direct salt wind and spray.
Drought Tolerance:
High; does not require any supplemental water once established.
Light Requirements:
Full sun.
Flower Color:
Sepals green on the outside, pink to pinkish-purple on the inside.
Flower Characteristics:
Semi-showy. The petals are absent.
Flowering Season:
All year.
Fruit:
Inconspicuous capsule.
Wildlife and Ecology:
An important sand stabilizer in the pioneer zone of beach dunes and can tolerate occasional flooding by sea water.
Horticultural Notes:
Can be grown from seed and cuttings.
Comments:
The succulent leaves are edible (although very salty) and have been used as a source of vitamin C.


 


Keith A. Bradley
James Johnson, 2014
In habitat, Everglades National Park, Florida
George D. Gann, 2012
In habitat, New Providence, Bahamas
Keith A. Bradley, 2005
In habitat, Abaco Island, Bahamas
Roger L. Hammer
Shirley Denton
Shirley Denton
Shirley Denton

Susan Trammell